{-
Copyright (C) 2011 Dr. Alistair Ward
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
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-}{- |
[@AUTHOR@] Dr. Alistair Ward
[@DESCRIPTION@]
* Whilst this particular function is the subject of many introductory examples to Haskell,
the simple algorithms appropriate for that forum, leave a large margin for performance-improvement.
This module provides the interface for alternative algorithms.
* <http://mathworld.wolfram.com/Factorial.html>.
-}moduleFactory.Math.Factorial(-- * Type-classesAlgorithmic(..))where-- | Defines the methods expected of a /factorial/-algorithm.classAlgorithmicalgorithmwherefactorial::(Integrali,Showi)=>algorithm->i->i